Parallelograms, Dilations, Proportions Quiz Review Practice

In the diagram of parallelogram ABCD with diagonals AC and BD, m∠1 = 45 and m∠DCB = 120. What is the measure of ∠2?

• $15^{\degree}$

• $30^{\degree}$

• $45^{\degree}$

• $60^{\degree}$

Tags

CCSS.HSG.CO.C.11

Which of these is a property of a parallelogram?

• Congruent diagonals

• All sides congruent

• Opposite angles are congruent

• Consecutive sides are supplementary

Tags

CCSS.HSG.CO.C.11

In the diagram, parallelogram ABCD has diagonals AC and BD that intersect at point E. Which expression is not always true?

• ∠DAE ≅ ∠BCE

• ∠DEC ≅ ∠BEA

• AC ≅ DB

• DE≅EB

Tags

CCSS.HSG.CO.C.11

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

The figure is a parallelogram.  
Solve for x.  

• 7
• 2
• 0
• 4

Tags

CCSS.HSG.CO.C.11

If ABCD is a parallelogram, what is the length of BD? 

• 10
• 11
• 7
• 5

Tags

CCSS.HSG.CO.C.11

Find the measure of angle b.

• b = 51
• b = 129

Tags

CCSS.HSG.CO.C.11

Find the value of x and y.

• x = 4, y = 4

• x = 4, y = 116

• x = 3, y = 116

• x = 116, y = 116

Tags

CCSS.HSG.CO.C.11

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.HSG.CO.A.2